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Output terminal control sequences only when output is a terminal.
--- kbd-1.08/src/unicode_start 2002-11-22 19:23:00.000000000 -0500
+++ kbd-1.08/src/unicode_start 2002-11-22 19:24:34.000000000 -0500
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# Enables Unicode processing in the current console.
#
# 1. The input side: the keyboard driver.
@@ -25,7 +25,9 @@
# Tell the console output driver that the bytes arriving are UTF-8
# encoded multibyte sequences.
-echo -n -e '\033%G'
+if test -t 1 -a -t 2 ; then
+ echo -n -e '\033%G'
+fi
# Tell the graphics card how to display Unicode characters not
# contained in the IBM 437 character set (on PCs). The font should
--- kbd-1.08/src/unicode_stop 2002-11-22 19:23:30.000000000 -0500
+++ kbd-1.08/src/unicode_stop 2002-11-22 19:24:15.000000000 -0500
@@ -1,4 +1,6 @@
#!/bin/sh
# stop unicode
kbd_mode -a
-echo -n -e '\033%@'
+if test -t ; then
+ echo -n -e '\033%@'
+fi
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